Overview

Cyanotis arachnoidea is a trailing cactus succulent in the genus Cyanotis, part of the Commelinaceae family, with evergreen foliage. Cyanotis arachnoidea grows best in full sun and partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1b. Suggested uses include houseplants and conservatory and greenhouse.

About

Cyanotis arachnoidea is a trailing evergreen perennial from the genus Cyanotis, known for its slightly succulent, hairy, lanceolate to ovate foliage. This cultivar thrives in well-drained loam or sandy soils with a range of pH levels and prefers full sun to partial shade in sheltered, east-, west-, or south-facing positions. It is suited to cultivation in conservatories or greenhouses and is hardy to UK zone H1b. During summer, it produces clusters of three-petalled flowers in shades of purple or blue. Propagation is typically by stem-tip softwood cuttings or seed.

Growing conditions

Best soil and position for Cyanotis

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
East-facing, West-facing, South-facing
Exposure
Sheltered
UK hardiness
H1b

Plant details

Cyanotis arachnoidea size, habit and characteristics

Plant type
Cactus Succulent, Conservatory Greenhouse
Habit
Trailing
Foliage
Evergreen
Suggested uses
Houseplants, Conservatory and greenhouse

Care notes

Pruning and caring for Cyanotis arachnoidea

Propagation
Stem-tip softwood cuttings, Seed
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Cyanotis arachnoidea?

Cyanotis arachnoidea prefers full sun and partial shade. It suits sheltered positions.

What soil does Cyanotis arachnoidea need?

Cyanotis arachnoidea grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Cyanotis arachnoidea hardy in the UK?

Cyanotis arachnoidea has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.

How do I propagate Cyanotis arachnoidea?

Stem-tip softwood cuttings, Seed.